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AT27C400

Manufacturer: Atmel (now Microchip Technology)

AT27C400 datasheet by Atmel (now Microchip Technology).

AT27C400 datasheet preview

AT27C400 Datasheet Details

Part number AT27C400
Datasheet AT27C400_ATMELCorporation.pdf
File Size 184.90 KB
Manufacturer Atmel (now Microchip Technology)
Description 4-Megabit 256K x 16 or 512K x 8 OTP EPROM
AT27C400 page 2 AT27C400 page 3

AT27C400 Overview

The AT27C400 is a low-power, high-performance 4,194,304-bit one-time programmable read only memory (OTP EPROM) organized as either 256K by 16 or 512K by 8 bits. It requires a single 5V power supply in normal read mode operation. Any word can be accessed in less than 70 ns, eliminating the need for speed-reducing WAIT states.

AT27C400 Key Features

  • 70 ns Word-wide or Byte-wide Configurable 4 Megabit Flash and Mask ROM patible Low Power CMOS Operation
  • 100 µA Maximum Standby
  • 50 mA Maximum Active at 5 MHz Wide Selection of JEDEC Standard Packages
  • 40-Lead 600 mil PDIP
  • 40-Lead SOIC (SOP)
  • 48-Lead TSOP (12 mm x 20 mm) 5V ± 10% Power Supply High Reliability CMOS Technology
  • 2,000V ESD Protection
  • 200 mA Latchup Immunity Rapid™Programming Algorithm
  • 50 µs/word (typical) CMOS and TTL patible Inputs and Outputs Integrated Product Identification Code mercial and Industri
Atmel (now Microchip Technology) logo - Manufacturer

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Part Number Description
AT27C4096 4-Megabit 256K x 16 OTP EPROM
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AT27C020 2-Megabit EPROM
AT27C040 4-Megabit 512K x 8 OTP EPROM
AT27C080 8-Megabit 1M x 8 UV Erasable CMOS EPROM
AT27C1024 1-Megabit 64K x 16 OTP EPROM
AT27C2048 2-Megabit 128K x 16 OTP EPROM
AT27C256R 256K 32K x 8 OTP CMOS EPROM
AT27C512 512K (64K x 8) UV Erasable CMOS EPROM
AT27C512R 512K (64K x 8) One-time Programmable Read-only Memory

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